From: Daniel Wagner <dwagner@suse.de>
To: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagi@grimberg.me>,
linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org,
Keith Busch <kbusch@kernel.org>, Hannes Reinecke <hare@suse.de>,
Max Gurtovoy <mgurtovoy@nvidia.com>
Subject: Re: [PATCH v5 1/6] nvme: move ns id info to struct nvme_ns_head
Date: Thu, 14 Dec 2023 10:31:28 +0100 [thread overview]
Message-ID: <jt7wqbbuk7wh2dxjkkbdxp7afwy5y5yaudz4jg4ucnxbwz3nni@rg7hzchx6qix> (raw)
In-Reply-To: <20231213153833.GC7301@lst.de>
On Wed, Dec 13, 2023 at 04:38:34PM +0100, Christoph Hellwig wrote:
> On Wed, Dec 13, 2023 at 03:54:25PM +0100, Daniel Wagner wrote:
> > > I think that the whole PI stuff needs to be taken with a bit more
> > > consideration because if not all paths agree on the pi (as we have
> > > hbas with fabrics) we can't just override or do a logical or on
> > > the capabilities/attributes.
> >
> > So should the PI variables stay in nvme_ns at this point? Or should I
> > add some checks which avoid an override and warn in this case?
>
> Didn't we merge the patch from max to require uniform PI setups
> for all controllers that we're using in a multipath setup? I'll
> check the code after finishing a few more things if no one remembers
> offhand.
The newest discussion on this topic I found was this:
https://lore.kernel.org/linux-nvme/ec66d848-5246-529a-7050-afca3d1d981f@nvidia.com/
next prev parent reply other threads:[~2023-12-14 9:33 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-08 10:53 [PATCH v5 0/6] nvme: add csi, ms and nuse to sysfs Daniel Wagner
2023-12-08 10:53 ` [PATCH v5 1/6] nvme: move ns id info to struct nvme_ns_head Daniel Wagner
2023-12-11 16:27 ` Christoph Hellwig
2023-12-13 13:27 ` Sagi Grimberg
2023-12-13 14:54 ` Daniel Wagner
2023-12-13 15:38 ` Christoph Hellwig
2023-12-14 9:31 ` Daniel Wagner [this message]
2023-12-14 13:54 ` Max Gurtovoy
2023-12-08 10:53 ` [PATCH v5 2/6] nvme: refactor ns info helpers Daniel Wagner
2023-12-11 16:28 ` Christoph Hellwig
2023-12-13 13:28 ` Sagi Grimberg
2023-12-08 10:53 ` [PATCH v5 3/6] nvme: refactor ns info setup function Daniel Wagner
2023-12-11 16:28 ` Christoph Hellwig
2023-12-13 13:28 ` Sagi Grimberg
2023-12-08 10:53 ` [PATCH v5 4/6] nvme: rename ns attribute group Daniel Wagner
2023-12-13 13:32 ` Sagi Grimberg
2023-12-08 10:53 ` [PATCH v5 5/6] nvme: add csi, ms and nuse to sysfs Daniel Wagner
2023-12-12 5:41 ` Chaitanya Kulkarni
2023-12-13 13:32 ` Sagi Grimberg
2023-12-08 10:53 ` [PATCH v5 6/6] nvme: repack struct nvme_ns_head Daniel Wagner
2023-12-13 13:31 ` Sagi Grimberg
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=jt7wqbbuk7wh2dxjkkbdxp7afwy5y5yaudz4jg4ucnxbwz3nni@rg7hzchx6qix \
--to=dwagner@suse.de \
--cc=hare@suse.de \
--cc=hch@lst.de \
--cc=kbusch@kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-nvme@lists.infradead.org \
--cc=mgurtovoy@nvidia.com \
--cc=sagi@grimberg.me \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).